<template>
    <div v-if="isOnlineSvg" :style="{ '--svg-icon-url': `url(${icon})` }" class="svg-icon svg-icon-online"
        :class="className" />
    <svg v-else class="svg-icon" :class="className" aria-hidden="true">
        <use :xlink:href="`#icon-${icon}`" />
    </svg>
</template>
  
<script lang="ts" setup>
import { computed } from 'vue'

const props = defineProps({
    // SVG 图标名称或在线URL
    icon: {
        type: String,
        required: true
    },
    // 图标类名
    className: {
        type: String,
        default: ''
    }
})

const isOnlineSvg = computed(() => /^(https?:)/.test(props.icon))
</script>
  
<style scoped lang="scss">
.svg-icon {
    width: 1em;
    height: 1em;
    fill: currentColor;
    overflow: hidden;
}
.svg-icon-online {
    background-color: currentColor;
    mask-image: var(--svg-icon-url);
    -webkit-mask-image: var(--svg-icon-url);
    mask-size: cover;
    -webkit-mask-size: cover;
    display: inline-block;
}
</style>